这封信如下图所示
这是输出pdffonts filename.pdf
name type encoding emb sub uni object ID
------------------------------------ ----------------- ---------------- --- --- --- ---------
TMQROW+LMRoman17-Regular Type 1C WinAnsi yes yes no 10 0
GQKEYJ+LMRoman12-Regular Type 1C WinAnsi yes yes no 8 0
DNPQNU+LMRomanCaps10-Regular Type 1C WinAnsi yes yes no 21 0
QMMJAW+LMMathSymbols8-Regular Type 1C Custom yes yes no 32 0
JHBPXR+LMRoman8-Regular Type 1C Custom yes yes yes 30 0
GSRPYF+LMRoman10-Regular Type 1C Custom yes yes no 28 0
SNAJGD+LMRoman10-Italic Type 1C Custom yes yes no 39 0
MIWFAW+LMRoman10-Bold Type 1C Custom yes yes no 52 0
VBYNUL+LMRoman12-Bold Type 1C Custom yes yes no 50 0
ALJGDR+LMMathItalic10-Regular Type 1C Custom yes yes yes 61 0
UULHCG+LMRomanSlant10-Regular Type 1C Custom yes yes no 59 0
GKTRPD+LMRoman8-Italic Type 1C Custom yes yes yes 153 0
TIEZGV+LMRoman6-Regular Type 1C WinAnsi yes yes no 151 0
URIXGP+LMMathSymbols10-Regular Type 1C Custom yes yes yes 149 0
SRZGXY+LMRoman7-Regular Type 1C Custom yes yes no 147 0
FXBACM+LMMono10-Regular Type 1C WinAnsi yes yes no 182 0
EIGYYL+CMBXTI10 Type 1C WinAnsi yes yes no 180 0
HIGNIZ+LMMathItalic7-Regular Type 1C Custom yes yes yes 189 0
PAEYWI+EUFM10 Type 1C WinAnsi yes yes no 203 0
NQTXVB+LMMathExtension10-Regular Type 1C Custom yes yes yes 201 0
IRCYZN+SFRM1000 Type 1C Custom yes yes yes 230 0
RNWCSO+EUFM7 Type 1C WinAnsi yes yes no 239 0
ZIPKVK+LMRoman5-Regular Type 1C WinAnsi yes yes no 237 0
GDVNLC+MSAM10 Type 1C Custom yes yes yes 248 0
MWLLCP+LMMathSymbols7-Regular Type 1C Custom yes yes yes 246 0
GZVVUB+LMMathSymbols5-Regular Type 1C Custom yes yes yes 260 0
IDPDNO+LMMathItalic5-Regular Type 1C Custom yes yes no 274 0
NPUCRA+EUFM5 Type 1C WinAnsi yes yes no 272 0
NFACUP+LMMathItalic9-Regular Type 1C WinAnsi yes yes no 346 0
WTRLRQ+LMMathItalic10-Bold Type 1C Custom yes yes no 380 0
YCKIXG+LMRoman7-Bold Type 1C WinAnsi yes yes no 378 0
GNBOBB+LMMathItalic7-Bold Type 1C Custom yes yes no 392 0
MHMIDT+LMRoman9-Regular Type 1C WinAnsi yes yes no 407 0
[none] Type 3 Custom yes no no 405 0
DNHDIP+LMMathItalic12-Regular Type 1C Custom yes yes no 439 0
BLAIQW+MSBM10 Type 1C WinAnsi yes yes no 471 0
Times-Roman Type 1 Standard no no no 856 0
JRMUGM+LMMathItalic6-Regular Type 1C WinAnsi yes yes no 857 0
IKANPA+CMSS12 Type 1C WinAnsi yes yes no 908 0
GQPNJW+LMRoman5-Bold Type 1C WinAnsi yes yes no 1015 0
GCDFLX+LMRoman10-Regular Type 1C Custom yes yes no 1565 0
ITBVUG+MSBM7 Type 1C WinAnsi yes yes no 1752 0
GQMTVU+LMRoman9-Bold Type 1C WinAnsi yes yes no 1834 0
RTGZJW+CMBXSL10 Type 1C WinAnsi yes yes no 1995 0
答案1
使用此代码：
\documentclass[11pt]{article}
\usepackage{amssymb}
\begin{document}
\j\hspace{-2.6pt}\raisebox{0.3pt}{$\mathfrak{u}$}
\end{document}
您将获得：
\j代表无点 j。
这可以在您的原始 PDF 上进行验证。复制“字符”，您可能会获得ȷu。